From 69aa1ae63176f77bdca62d001d958f448b68b826 Mon Sep 17 00:00:00 2001
From: nayeawon <yea1189@gmail.com>
Date: Wed, 22 Mar 2023 21:11:27 +0900
Subject: [PATCH] =?UTF-8?q?[FIX]=20=EC=9E=90=EB=A3=8C=EC=97=B4=EB=9E=8C=20?=
 =?UTF-8?q?=EA=B8=B0=EA=B4=80=EB=B3=84=20=EA=B2=80=EC=83=89=20=ED=82=A4?=
 =?UTF-8?q?=EC=9B=8C=EB=93=9C=20=EB=88=84=EB=9D=BD=20#142?=
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---
 .../elasticsearch.service.ts                  | 20 +++++++++++++++++--
 .../article-library.component.ts              |  3 ++-
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/src/app/core/services/elasticsearch-service/elasticsearch.service.ts b/src/app/core/services/elasticsearch-service/elasticsearch.service.ts
index e4f82163..d4b67fd4 100755
--- a/src/app/core/services/elasticsearch-service/elasticsearch.service.ts
+++ b/src/app/core/services/elasticsearch-service/elasticsearch.service.ts
@@ -718,11 +718,27 @@ export class ElasticsearchService {
     });
   }
 
+  async getInstitutionsNum() {
+    return await this.client.search({
+      index: this.ipSvc.ES_INDEX,
+      body: {
+        size: 0,
+        aggs: {
+          unique_institutions: {
+            cardinality: {
+              field: "published_institution.keyword",
+            }
+          },
+        },
+      },
+    });
+  }
+
   /**
    * @description Send query of getting all published_institution field value and number of articles for each of the value.
    * @returns query response
    */
-  async getInstitutions(): Promise<any> {
+  async getInstitutions(numInstit?: number): Promise<any> {
     return await this.client.search({
       index: this.ipSvc.ES_INDEX,
       body: {
@@ -730,7 +746,7 @@ export class ElasticsearchService {
         aggs: {
           count: { terms: {
             field: "published_institution.keyword",
-            size: 20
+            size: numInstit
           } },
         },
       },
diff --git a/src/app/features/article-library/components/article-library-root/article-library.component.ts b/src/app/features/article-library/components/article-library-root/article-library.component.ts
index 612049d3..87b449cf 100755
--- a/src/app/features/article-library/components/article-library-root/article-library.component.ts
+++ b/src/app/features/article-library/components/article-library-root/article-library.component.ts
@@ -91,7 +91,8 @@ export class ArticleLibraryComponent implements OnInit {
    */
   //new
   async loadInstitutions() {
-    let res = await this.elasticsearchService.getInstitutions();
+    let numInstit = await this.elasticsearchService.getInstitutionsNum();
+    let res = await this.elasticsearchService.getInstitutions(numInstit['aggregations']['unique_institutions']['value']);
     let numRes = await this.elasticsearchService.countAllDocs();
     this.institutionList = res["aggregations"]["count"]["buckets"];
     this.totalSavedDocsNum = numRes["count"];